libnetfilter_queue has:
int nfq_handle_packet(struct nfq_handle *h, char *buf, int len)
{
return nfnl_handle_packet(h->nfnlh, buf, len);
}
When an error occurs, for example because a verdict for a bogus packet id was
sent, nfq_handle_packet/nfnl_handle_packet returns -1 with errno == 0.
Using nfnl_process() instead of nfq_handle_packet() sets errno to the expected
ENOENT.
Does anyone know if nfq_handle_packet() "errno 0" behaviour is intentional?
Should I just ignore nfq_handle_packet() return value?
What about deprecating nfnl_handle_packet() and using nfnl_process()
instead?
Thanks,
Florian
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